What is every Southwest Division team's record against the over/under line as a favorite in the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
New Orleans 10-6-0 62.5% 37.5% +2.7
Dallas 24-15-0 61.5% 38.5% +0.2
San Antonio 36-46-1 43.9% 56.1% -0.5
Houston 21-28-0 42.9% 57.1% -1.1
Memphis 30-41-2 42.3% 57.8% -3.1